211328530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{691}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 462765312

約数和(自身を除く): 251436782

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 257, 514, 595, 691, 1190, 1285, 1382, 1799, 2570, 3455, 3598, 4369, 4837, 6910, 8738, 8995, 9674, 11747, 17990, 21845, 23494, 24185, 30583, 43690, 48370, 58735, 61166, 82229, 117470, 152915, 164458, 177587, 305830, 355174, 411145, 822290, 887935, 1243109, 1775870, 2486218, 3018979, 6037958, 6215545, 12431090, 15094895, 21132853, 30189790, 42265706, 105664265, 211328530]

約数ペア:

[(1, 211328530), (2, 105664265), (5, 42265706), (7, 30189790), (10, 21132853), (14, 15094895), (17, 12431090), (34, 6215545), (35, 6037958), (70, 3018979), (85, 2486218), (119, 1775870), (170, 1243109), (238, 887935), (257, 822290), (514, 411145), (595, 355174), (691, 305830), (1190, 177587), (1285, 164458), (1382, 152915), (1799, 117470), (2570, 82229), (3455, 61166), (3598, 58735), (4369, 48370), (4837, 43690), (6910, 30583), (8738, 24185), (8995, 23494), (9674, 21845), (11747, 17990)]